Connect TV or LCD ,MP4 media player , USB mp4 player ,movie player , USB /SD Multimedia player, hard disk player. Video and Audio ... Player , mp4 media player , USB mp4 player ,movie player ... , hard disk player1.DC 5V power input2. Support USB drvie ,SD/MMC card and USB harddisk3. MPEG-2 Coding format ,built in Dolby ...